The table below gives the age-wise distribution of number of people who responded to a survey about their favourite style of dance. As per information given in the table, what approximate percentage of the respondents till the age of 30 years indicated that Dandiya is their favourite style of dance? (Give your answer upto two decimal places)

Age	Less than 20 years	From 21 years to 30 years	More than 30 year
Bharatanatyam	6	4	17
Dandiya	7	8	10
Kuchipudi	9	3	4
Kathakali	2	2	2
Bhangra	8	8	5
Bihu	4	9	2
Total	36	34	40